# get_class_relationships

Look up coordinated Nice classes or related Nice classes for a given class number.

Agent View of the PolicyLayer registry record for `get_class_relationships`. HTML page: https://policylayer.com/tools/com-gleanmark-trademark-search/get-class-relationships

## Facts

- Tool: `get_class_relationships`
- Server: GleanMark Trademark Search (`https://gleanmark.com/mcp`) — https://policylayer.com/tools/com-gleanmark-trademark-search.md
- Homepage: https://github.com/https://gleanmark.com/mcp
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server auth posture: open
- Server CORS policy: *
- Server rate-limited: yes
- Parameters: 4 (1 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | integer | no | Maximum rows to return. |
| `class_number` | integer | yes | Nice class number to inspect. |
| `include_legacy` | boolean | no | Include legacy US classes A, B, and 200 when returning coordinated classes. |
| `relationship_type` | string | no | Whether to return USPTO coordinated classes or curated related classes. |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_class_relationships",
    "arguments": {
      "class_number": 0
    }
  }
}
```

## Why get_class_relationships is rated Low

This tool retrieves trademark classification metadata (Nice classes) from the GleanMark database. It performs a simple lookup query that returns structured data about trademark class relationships. There are no side effects, no data creation or modification, no code execution, and no destructive operations.

From the tool's own definition: "Tool description states 'Look up' which is a retrieval operation. The function returns coordinated or related Nice classification data with no mutations, deletions, or external operations triggered."

## Use case

AI agents call get_class_relationships to retrieve information from GleanMark Trademark Search without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches GleanMark Trademark Search:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_class_relationships": {}
  }
}
```

## Other tools on GleanMark Trademark Search (60)

- `run_knockout_search` — Execute — https://policylayer.com/tools/com-gleanmark-trademark-search/run-knockout-search.md
- `run_safe_analytics` — Execute — https://policylayer.com/tools/com-gleanmark-trademark-search/run-safe-analytics.md
- `analyze_prosecution_history` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/analyze-prosecution-history.md
- `analyze_ttab_proceeding` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/analyze-ttab-proceeding.md
- `check_brand_availability` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/check-brand-availability.md
- `check_domain_availability` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/check-domain-availability.md
- `compare_marks` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/compare-marks.md
- `count_trademarks_by_attributes` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/count-trademarks-by-attributes.md
- `get_cohort_event_intervals` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-cohort-event-intervals.md
- `get_correspondent_marks` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-correspondent-marks.md
- `get_correspondent_specialization` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-correspondent-specialization.md
- `get_deadline_satisfaction_mapping` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-deadline-satisfaction-mapping.md
- `get_event_code_reference` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-event-code-reference.md
- `get_event_status_mapping` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-event-status-mapping.md
- `get_fame_profile` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-fame-profile.md
- `get_firm_correspondent_tasks` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-firm-correspondent-tasks.md
- `get_firm_deadlines` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-firm-deadlines.md
- `get_firm_oa_outcomes` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-firm-oa-outcomes.md
- `get_firm_top_correspondents` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-firm-top-correspondents.md
- `get_latest_office_action` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-latest-office-action.md
- `get_mark_ai_summary` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-mark-ai-summary.md
- `get_mark_deadlines` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-mark-deadlines.md
- `get_mark_international_profile` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-mark-international-profile.md
- `get_mark_owner_landscape` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-mark-owner-landscape.md
- `get_mark_prosecution_summary` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-mark-prosecution-summary.md
- `get_nice_classes` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-nice-classes.md
- `get_owner_ai_summary` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-owner-ai-summary.md
- `get_owner_deadlines` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-owner-deadlines.md
- `get_owner_filing_trends` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-owner-filing-trends.md
- `get_owner_goods_keywords` — Read — https://policylayer.com/tools/com-gleanmark-trademark-search/get-owner-goods-keywords.md
- …and 30 more: https://policylayer.com/tools/com-gleanmark-trademark-search.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=com-gleanmark-trademark-search · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/com-gleanmark-trademark-search